[linux] Meaning of tilde in Linux bash (not home directory)

Are they the home directories of users in /etc/passwd? Services like postgres, sendmail, apache, etc., create system users that have home directories just like normal users.

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Examples related to home-directory

How to copy directories in OS X 10.7.3? What is the alternative for ~ (user's home directory) on Windows command prompt? Node.js - Find home directory in platform agnostic way Android Get Application's 'Home' Data Directory How to get the home directory in Python? Meaning of tilde in Linux bash (not home directory) What is the best way to find the users home directory in Java?